Only an approximation using flat triangular segments, I get 3491.4 m2

1. 18 high x 31 base = 35.85 m length to peak

2. each of 36 panels has 62m x pi / 36 as base = 5.41 m as base

3. 1/2 of each panel = 5.41/2 m = 2.70 m as base (to make right triangle)

4. area of 1/2 panel = .5 x B x H = .5 x [2.70 x 35.85] = 48.49 m2

5. area of panel = 2 x 48.49 = 96.98 m2

6. area of 36 panels = 96.8 x 36 = 3491.4 m2



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